<http://webisa.webdatacommons.org/prov/400551650>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/337387992> .
<http://webisa.webdatacommons.org/337387992>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<buildingscience.com> .
<http://webisa.webdatacommons.org/337387992>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/337387992>	<http://www.w3.org/ns/prov#value>	"Deciding on the optimum mix of conservation and generation is difficult because there are a range of costs and technologies available that depend on a building???s location and occupancy." .